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Charging method and device for electric vehicle

An electric vehicle and charging method technology, applied in electric vehicle charging technology, electric vehicle, battery/fuel cell control device, etc., can solve the problem of low success rate of electric vehicle charging, and achieve the effect of improving the success rate

Inactive Publication Date: 2017-08-29
BEIJING ELECTRIC VEHICLE
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a charging method and device for electric vehicles to solve the problem in the prior art that the charging success rate of electric vehicles is not high due to the inability to identify the charging national standard version that the electric vehicle complies with

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Embodiment Construction

[0033] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0034] Such as figure 1 As shown, it is a flow chart of the steps of the charging method for electric vehicles in the embodiment of the present invention. The charging method is applied to charging piles, including:

[0035] Step 101, sending a wake-up signal for waking up the vehicle controller to the vehicle controller of the electric vehicle;

[0036] In this step, the charging pile sends a wake-up signal for waking up the vehi...

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Abstract

The invention provides a charging method and device for an electric vehicle. The charging method is applied to a charging pile. The charging method comprises the steps that an awakening signal for awakening a vehicle control unit is sent to the vehicle control unit of the electric vehicle; when the vehicle control unit is in the awakening state according to the awakening signal, the charging pile continues to send charger handshake messages (CHM) to a battery management system (BMS) within a preset period of time, and monitors whether a BMS handshake message (BHM) fed back by the BMS according to the CHM is received or not within the preset period of time to obtain a monitoring result; according to the monitoring result, a charging national version to which the electric vehicle conforms is obtained; according to the charging national version, the electric vehicle is charged. According to the charging method and device for the electric vehicle, the problem that in the prior art, due to the fact that the charging national version to which the electric vehicle conforms cannot be recognized, the charging success rate of the electric vehicle is not high is solved.

Description

technical field [0001] The invention relates to the field of electric vehicles, in particular to a charging method and device for electric vehicles. Background technique [0002] At present, electric vehicle charging is an important part of electric vehicle control. After China implements the new charging national standard (GB / T27930-2015) in 2016, electric vehicles that meet the new charging national standard and the old charging national standard (GB / T27930-2015) will appear on the market. / T27930-2011) electric vehicles. At this time, although the new national charging standard will take into account the charging compatibility of the old charging piles on the market that meet the old charging national standard when formulating charging standards, due to the irregularity of the old charging piles, electric vehicles that meet the new charging national standard will pass the old charging standard. The phenomenon of unsuccessful charging when charging the old charging pile o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L11/18
CPCB60L53/60B60L58/12Y02T10/70Y02T10/7072Y02T90/12
Inventor 张龙聪周金龙刘彪易迪华秦兴权邓立军刘文月李宁
Owner BEIJING ELECTRIC VEHICLE
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